[sdiy] LM394 vs MAT-02

[Paul Schreiber]

>
>> Just curious - I see that on the stompbox forum, RG Keen made reference to 
>> the DMMT3904 and DMMT3906, matched 3904's and 3906's in six pin SOT packages. 
>> They sell at Mouser for $0.50 each.  Spec sheet says matching to 2% for the 
>> 3904 and 2% with 1% available for the 3906 by contacting the manufacturer. 
>> Is this kind of matching anywhere in the range required of VCO expo 
>> converters?


These *are NOT matched*.

If you read the data sheet(s), these are 2 die from the *same wafer*. It is 
assumed that since they are from the same wafer, and inside the same cavity, 
they will track "pretty well".

They are cheap, however :)

Paul S.